29 May, 2010

Cephalopods, which include marine mollusks like squid, octopus, and cuttlefish, are now being reported in the Cambrian explosion fossils. As a recent BBC news article reports:

'We go from very simple pre-Cambrian life-forms to something as complex as a cephalopod in the geological blink of an eye, which illustrates just how quickly evolution can produce complexity,' said [evolutionary biologist Martin] Smith.